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Quiet Operation
Helical gears reduce vibration and noise.

High Torque
High output torque is compared to spur gear planetary gear reducers.

High Efficiency
Efficiency for 1-stage model exceeds 97%; 2-stage model exceeds 94%.
Servobox Series Model PB-A Planetary Reducer Gearboxes
Servobox Series Model PB-A Planetary Reducer Gearboxes - 2
Unit of Measure
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Model Number

Ratio

Maximum Radial Force (F2rB)

Maximum Axial Force (F2aB)

PB-A90A-20 N/A 20 N/A 3040 N N/A 1520 N
PB-A90A-20N N/A 20 N/A 3040 N N/A 1520 N
PB-A90A-25 N/A 25 N/A 3040 N N/A 1520 N
PB-A90A-25N N/A 25 N/A 3040 N N/A 1520 N
PB-A90A-30 N/A 30 N/A 3040 N N/A 1520 N
PB-A90A-30N N/A 30 N/A 3040 N N/A 1520 N
PB-A90A-35 N/A 35 N/A 3040 N N/A 1520 N
PB-A90A-35N N/A 35 N/A 3040 N N/A 1520 N
PB-A90A-40 N/A 40 N/A 3040 N N/A 1520 N
PB-A90A-40N N/A 40 N/A 3040 N N/A 1520 N
PB-A90A-50 N/A 50 N/A 3040 N N/A 1520 N
PB-A90A-50N N/A 50 N/A 3040 N N/A 1520 N
PB-A90A-60 N/A 60 N/A 3040 N N/A 1520 N
PB-A90A-60N N/A 60 N/A 3040 N N/A 1520 N
PB-A90A-70 N/A 70 N/A 3040 N N/A 1520 N
PB-A90A-70N N/A 70 N/A 3040 N N/A 1520 N
PB-A90A-80 N/A 80 N/A 3040 N N/A 1520 N
PB-A90A-80N N/A 80 N/A 3040 N N/A 1520 N
PB-A90A-90 N/A 90 N/A 3040 N N/A 1520 N
PB-A90A-90N N/A 90 N/A 3040 N N/A 1520 N
PB-A90A-100 N/A 100 N/A 3040 N N/A 1520 N
PB-A90A-100N N/A 100 N/A 3040 N N/A 1520 N
PB-A120A-15 N/A 15 N/A 6460 N N/A 3230 N
PB-A120A-15N N/A 15 N/A 6460 N N/A 3230 N
PB-A120A-20 N/A 20 N/A 6460 N N/A 3230 N
Unit of Measure
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